Update submodule in exp-update (#2334)

sdata/subcmd-exp-update-old/0.run.sh

@@ -541,6 +541,7 @@ if git remote get-url origin &>/dev/null; then
   log_info "Pulling changes from origin/$current_branch..."
   if git pull; then
     log_success "Successfully pulled latest changes"
+    git submodule update --init --recursive
   else
     log_warning "Failed to pull changes from remote. Continuing with local repository..."
     log_info "You may need to resolve conflicts manually later."

sdata/subcmd-exp-update/0.run.sh

@@ -844,6 +844,7 @@ if git remote get-url origin &>/dev/null; then
   else
     if git pull --ff-only; then
       log_success "Successfully pulled latest changes"
+      git submodule update --init --recursive
       # Verify we actually got new commits
       if git rev-parse --verify HEAD@{1} &>/dev/null; then
         if [[ "$(git rev-parse HEAD)" == "$(git rev-parse HEAD@{1})" ]]; then